Applications for Satellite

This Application Note gives a short overview how signals with two different modulation schemes can be analyzed using the R&S®FSW (or R&S®FPS) using its Multi-Standard-Radio-Analyzer (MSRA) and Vector Signal Analysis personality. The Application Note focuses on DVB-S2(X) signals, but the approach may be used for similar signals as well, as e.g. used in microwave backhaul links.

The Application Note also provides a software tool that automates the configuration and provides the variety of different constellations that are used within DVB-S2(X).

Frequency converters e.g. in satellite transponders need to be characterized not only in terms of amplitude transmission but also in terms of phase transmission or group delay, especially with the transition to digital modulation schemes. They often do not provide access to the internal local oscillators This application note describes a method using the R&S ZVA to measure group delay of mixers and frequency converters with an embedded local oscillator very accurately. The key aspect of this new technique is, that the network analyzer applies a 2-tone signal to the frequency converter. By measuring the phase differences between the two signals at the input and at the output, it calculates group delay and relative phase between output and input.

This application note describes methods using an R&S®ZVA network analyzer, one or two R&S®SMB100A signal generators and an R&S®FSW signal analyzer to accurately measure all the key parameters of frequency converters with embedded local oscillator. A commercial satellite up-converter is used as a device under test example.

This application notes introduces the Multi-Standard Radio Analyzer function of the R&S®FSW and shows how it performs the measurement on multi-standard radio transmitters. It reveals interactions caused by the coexistence of signals of different cellular standards and localizes the root cause. With an example of a base station signal consisting of three radio access technologies (GSM/WCDMA/LTE FDD) it shows how easy interactions can be found. The R&S®FSW is the ideal tool for trouble shooting tasks with its combination of a large bandwidth and the versatile Multi-Standard Radio Analyzer in one measurement instrument.

This application note describes remote operation or monitoring of the signal and spectrum analyzers R&S® FSV3, R&S® FSV7, R&S® FSV13, R&S® FSV30 through a standard web browser. The common cross-platform technology Virtual Network Computing (VNC) is used as a server on the instrument.

This application notes describes remote operation or monitoring of the spectrum analyzers R&S® FSL3, R&S® FSL6, R&S® FSL18 through a standard web browser. The common cross-platform technology Virtual Network Computing (VNC) is used as a server on the instrument.

This application note describes the noise figure measurement using the R&S Vector Network Analyzers of the ZVA and ZVT series. It explains the concept of measuring noise figure without the need for a characterized noise source. Furthermore, it discusses different measurement applications and the respective setup and implications. Some examples guide through the instrument setups and show measurement results as well.

This application note describes remote operation or monitoring of the real time spectrum analyzer R&S® FSVR through a standard web browser. The common cross-platform technology Virtual Network Computing (VNC) is used as a server on the instrument.

This application note describes the suitability of the R&S®ZVM and R&S®ZVK as multichannel microwave receivers for antenna measurements and RCS measurements including measurements on pulsed signals. Application examples describe the measurement possibilities on pulsed signals using the R&S®ZVM/ZVK as stand-alone units. In addition, various R&S®ZVM/ZVK-based antenna measurement systems of the March Microwave company are presented in detail.

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